Is CVE-2025-40603 in the CISA KEV catalog?

No. CVE-2025-40603 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-40603?

CVE-2025-40603 has a CVSS v3 base score of 4.5 (MEDIUM).

What is the EPSS score for CVE-2025-40603?

CVE-2025-40603 has an EPSS score of 0.44% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40603?

Upgrade sma 210 firmware to 10.2.2.3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2025-40603

MEDIUM

4.5

CVSS v3

NVD

Description

A potential exposure of sensitive information in log files in SonicWall SMA100 Series appliances may allow a remote, authenticated administrator, under certain conditions to view partial users credential data.

CWE-532

How to fix

Remediation Available

sma 210 firmwareNVD

Affected:< 10.2.2.3Fixed in:10.2.2.3CVE-2025-40603derived from NVD

sma 410 firmwareNVD

Affected:< 10.2.2.3Fixed in:10.2.2.3CVE-2025-40603derived from NVD

sma 500v firmwareNVD

Affected:< 10.2.2.3Fixed in:10.2.2.3CVE-2025-40603derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N

Exploit Intelligence

0.44%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory1

psirt.global.sonicwall.com

Related Vulnerabilities

Other CWE-532 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-1622	Medium	5.3	79%	-	-
CVE-2020-35234	High	7.5	63%	-	Fix
CVE-2023-43261	High	7.5	60%	-	Fix
CVE-2024-20440	High	7.5	51%	-	-
CVE-2018-3609	High	8.1	22%	-	-
CVE-2018-8719	Medium	5.3	16%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-06.